System Software

System Software

1. Mutlitasking

   • BY giving the processor a small time for each task it makes it look like all tasks are completed at once
   • Ti the user it appears that we can multitask and have lots of programs open at once
   • In reality resources such as memory and the processor are being shared amongst tasks

2. User Interface

   • Command Line Interface
     • Text based
     • DOS, Rasbian
   • Graphical User Interface
     • Contains Windows, Icons Menus Pointers
     • Visual
     • Windows 10, Windows 8 , Android, Mac OS
   • the user can interact with an operating system using the user interface

3. Memory Management

   • The OS allocates memory between the different programs that are open at the same time
   • Programmers and users do not need to know where in memory data is being held - it is the purpose of the Operating System to do this

4. Drivers

   • A piece of software used to control a piece of hardware
   • Drivers allow a peripheral device to be connected to a computer and it used to be an operating system
     • You may get drivers for graphics cards, mouse, soundcard, netwrok interface cards

5. Peripherals management

6. File Management